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A coil of radius 0.10 m is made from a long wire 6.28 m in which a current 1.0 A is flowing. Calculate the value of magnetic field at its centre.

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A coil of radius 0.10 m is made from a long wire 6.28 m in which a current 1.0 A is flowing. Calculate the value of magnetic field at its centre.

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Length of wire to make coil = 6.28 m

Radius of coil R = 0.10 m

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